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20022026
most citedBoundary regularity for the Ricci equation, geometric convergence, and Gel'fand's inverse boundary problem

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math.DG2025

An extension of the Floquet-Bloch theory to nilpotent groups and its applications

Atsushi Katsuda

We develop a generalized Floquet-Bloch theory for discrete torsion-free nilpotent groups by exploiting their Malcev completions. Our main result is a branching formula that relates…